Manure-spreader.



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3. D. CUR'HS.

MANURE SPREADER. APPLICATION HLD FEB. 9. 1914.

1,250,981. Patented Dec. 25,1917.

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MANURE-SPBEADER.

Specification of Letters Patent.

Patented Dec. 25, 1917,.

Application filed February 9, 13,14. 7 Serial IE9. 817,85

To all whom it may concern:

Be it known that 1, JOHN D. Cinrrrs, a citizen of the United States,residing at \Vorcester, in the county of Vorcester and Commonwealth ofMassachusetts, have invented a new and useful Improvement inManure-Spreaders, of which the following description, taken inconnection with :he accompanying drawings, is a specification.

The present invention relates to that class of manure spreaders in whicha rapidly revolving beater is employed for the purpose of shredding andscattering manure progressively fed thereto, whereby the'grou'ndtraversed by the spreader is substantially evenly enriched by theshredded manure thrown out from said beater, and falling by gravity tothe ground.

In devices of the character above described, the axial length of therevolving beater determines, approximately, the width of the strip ofground covered with manure by the passage thereover of the spreader, andit is one purpose of the present invention to increase the width of thestripof ground over which the spreaderis effective without increasingthe axial length of the beater. To this end, the present inventioncontemplates the provision of auxiliary scattering means, in additionto, and cotipcrating with, said revolving beater, by means of which aportion of the manure shredded by said beater is deflected from thecourse imparted to it by said beater, and forcibly thrown out over andbeyond the ends of said beater, thereby increasing the efficiency andrange of operation of the spreader. Furthermore. it is proposed to soconstruct the said auxiliary scattering means that the action thereofcauses a more thorough and effective disintegration of the manure thanwould be obtainable with the use of a revolving beater alone.

Other and further advantages will be apparent from the followingdetailed description taken in connection with the accompanying drawings,in which- Figure 1 is a view in side elevation of the rear end of amanure spreader embodying my invention, and Fig. 2 is a rear view of aportion of the manurespreader shown m the body of the spreader, carriedon longi- V tudinal sills 2 and supported at the rear by an axle 3'having'journaled thereon-rear wheels 4 one of which is shown F ig'. 1.Carried upon the extreme rear end of each sill 2 is asubstantiallyupright standard 5, upon the rear, sides of which are provided journalbearings 6, 6,for the shaft 7 qr'a revolving heater 8 Said beater 8 isrotated at a high rate of speed by any suitable mechanism, not shown,and upon its periphery is provided with a plurality of rows of spacedradially disposed arms or teeth 9, each row having its arms in staggeredrelation to the arms of adjacent rows. The mass of'manure carried in thebody of the spreader isprogressiv'ely fed to the revolving beater 8 byany suitable mechanism, not shown, the action of 'the' arms 9 on themanure effects a shredding of the mass, the'portions torn loosetherefrom being forcibly thrown rearat right angles to the axis of thebeaten'and tangential to the periphery thereof.

The uprights 5 have securedtliereto extensions 10,"10 provided withsquare apertures at their outerends for the receptioniof a slidable bar11, which is square in cross section. Carried by said'bar 11 are anumber of sleeves 12, alternating with spacing sleeves 13, said sleevesbeing prevented from turning on said bar by reason of fitting therectangular surfaces thereof and held from endwise movement thereon bycollars 14, 14, secured to the bar and spaced from the extensions 10,10' to permit longitudinal reciprocation of said bar in the guidewaysformed in the ends of said extensions. The sleeves 12 have projectingtherefrom arms 15 to which are secured downwardly and rearwardlyextending vertical blades 16, the lower edges of which are curved toconform to, and closely approach, the circular paths of the ends of thearms 9 of the beater.

, The shaft 7 of the heater is extended outwardly on one side of thespreader and carries on said extension a spur gear 17, which meshes witha pinion 18 loosely mounted on a short shaft 19, projecting outwardlyfrom the adjacent extension 10. Secured to the hub of the pinion 18 is acrank disk 20, having an eccentric crank arm 21 thereon, which isuniversally connected as at 22 with one end of a link 23. The other endof the link 23 has a universal connection 24: with one arm 25 of a bellcrank lever which is pivoted on a pin 26 carried by ears 27 projectingfrom the extension 10. The other curved arm 28 of said bell crank leverhas an elongated slot 29 formed in its end, to receive a pin 30 carriedby a collar 31 secured to the end of bar 11 beyond the guideway providedin the end of extension 10.

The rapid rotation of beater 8 effects through the above describedmechanism a rapid reciprocation of bar 11, and the blades 16, carriedthereby, are rapidly moved back and forth directly in the path of theshredded particles of manure thrown rearwardly by the arms of saidbeater. The contact of the shredded particles of manure thrownrearwardly by the beater 8 with the sides of the transversely movingblades 16 effects a lateral deflection of a large portion of suchparticles beyond the ends of the beater, whereby the area over which thespreader of my invention is effective, is greatly in excess of the areaover which a spreader having only a rotating beater, is effective.Furthermore, the reciprocating action of the blades materially aids in amore thorough and effective disintegration of the manure, causing theground traversed by the spreader to be uniformly covered with a morefinely-divided product. As the blades are arranged in vertical planes,they strike the lumps of manure broadside as the latter are thrown in ahorizontal plane tangential to the periphery of the beater. The blow isimparted by the blades 1. In a manure spreader, a revolving toothedbeater, a reciprocating bar slidablc in bearings parallel with the axisof said beater, and vertical blades rigidly attached to and extendingfrom said bar into the path of manure thrown tangentially from theperiphery of said beater.

2. In a manure spreader, a revolving toothed beater journaled inhorizontal bearings at the rear of the body of the spreader, areciprocating bar slidable in bearings parallel with and above the axisof said beater, a series of vertical blades carried by said bar andextending rearwardly and downwardly to intercept a horizontal planeextending tangenially from the periphery of said beater, and means forreciprocating said bar.

3. In a manure spreader, a revolving toothed beater, a reciprocating barsupported above and parallel with the axis of said beater. a series ofblades rigidly attached to said bar and arranged in vertical planes atright angles with the axis of the beater, With said bars intercepting ahorizontal plane above the axis of said beater tangential to itsperiphery.

4i. In a manure spreader, a revolving toothed beater, a reciprocatingbar parallel with the axis of the beater, a series of vertical bladescarried by said bar and extending into a horizontal plane tangential tothe periphery of the beater, said blades being curved corresponding tothe curvature of said beater.

' Dated this fourth day of February, 1914:.

JOHN D. CURTIS. Witnesses:

RUFUS B. FOWLER, PENELOPE COMBERBACH.

Copies of this patent may be obtained for five cents each, by addressingthe Commissioner of Patents,

Washington, I). G.

